No problem, we've got 9999 and 7151 to multiply
9999 × 7151 = 7151 × (9999)
+ 7151 × 9 giving us 64359
+ 7151 × 90 that results in 643590
+ 7151 × 900 that equals 6435900
+ 7151 × 9000 what gives us 64359000

= 71502849
